The intersection of Dundas and Parliament Streets in Toronto will be fully closed in all directions from Monday, May 15 at 5 a.m. to Monday, June 5 to allow for TTC track replacement work as well as road and sidewalk repairs.

From June 6 to 10, one lane of traffic in each direction will be open to allow traffic to travel through the intersection while the last part of the work is being completed.

When the full closure is in place, all eastbound traffic on Dundas Street will be detoured at Sherbourne Street while all westbound traffic on Dundas approaching the intersection will be detoured at River Street. Only local traffic will be allowed beyond those restrictions.

All southbound traffic on Parliament Street will be detoured at Gerrard Street. All northbound traffic on Parliament approaching the intersection will be detoured at Shuter Street. Only local traffic will be allowed beyond those restrictions.

Gerrard Street and Queen Street are alternative routes for eastbound and westbound traffic. River Street and Sherbourne Street are alternatives for northbound and southbound traffic.

To help manage traffic in the area, enhanced signage will inform drivers of the road closures and signal-timing changes will be made on parallel routes. Even so, road users should expect delays and increased traffic on nearby roads.

Work on the project will take place seven days a week from 7 a.m. to midnight and some of the work will occur on a 24/7 basis to reduce the length of time required to complete the work. The first few days of work will be the most disruptive, as they will involve breaking and removing concrete within the streetcar track areas. The work to break up the concrete will stop at 11 p.m. each night.

Several changes to TTC service will take place as a result of this work:

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